Organic sulfonic acid derivatives which contain an aromatic hydrocarbon radical.
Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)
Scandium. An element of the rare earth family of metals. It has the atomic symbol Sc, atomic number 21, and atomic weight 45.
Compounds based on acridone, which have three linear rings, with the center ring containing a ring nitrogen and a keto oxygen opposite to each other. Many of them are naturally occurring alkaloids.
Organic esters or salts of sulfonic acid derivatives containing an aliphatic hydrocarbon radical.
Enzymes which transfer sulfate groups to various acceptor molecules. They are involved in posttranslational sulfation of proteins and sulfate conjugation of exogenous chemicals and bile acids. EC 2.8.2.
The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds.
Inorganic or organic oxy acids of sulfur which contain the RSO2(OH) radical.
A reagent that is used to neutralize peptide terminal amino groups.
Agents which improve the quality of the blood, increasing the hemoglobin level and the number of erythrocytes. They are used in the treatment of anemias.
Glycoprotein hormone, secreted chiefly by the KIDNEY in the adult and the LIVER in the FETUS, that acts on erythroid stem cells of the BONE MARROW to stimulate proliferation and differentiation.
A reduction in the number of circulating ERYTHROCYTES or in the quantity of HEMOGLOBIN.
A class of organic compounds that contains a naphthalene moiety linked to a sulfonic acid salt or ester.
A class of organic compounds which contain an anilino (phenylamino) group linked to a salt or ester of naphthalenesulfonic acid. They are frequently used as fluorescent dyes and sulfhydryl reagents.
Exclusive legal rights or privileges applied to inventions, plants, etc.
Objects that produce a magnetic field.
The mechanical process of cooling.
A novel composition, device, or process, independently conceived de novo or derived from a pre-existing model.
Property, such as patents, trademarks, and copyright, that results from creative effort. The Patent and Copyright Clause (Art. 1, Sec. 8, cl. 8) of the United States Constitution provides for promoting the progress of science and useful arts by securing for limited times to authors and inventors, the exclusive right to their respective writings and discoveries. (From Black's Law Dictionary, 5th ed, p1014)
The process of keeping pharmaceutical products in an appropriate location.
The process of protecting various samples of biological material.
The state of the ATMOSPHERE over minutes to months.
The mixture of gases present in the earth's atmosphere consisting of oxygen, nitrogen, carbon dioxide, and small amounts of other gases.
A product of hard secondary xylem composed of CELLULOSE, hemicellulose, and LIGNANS, that is under the bark of trees and shrubs. It is used in construction and as a source of CHARCOAL and many other products.
The faculty of expressing the amusing, clever, or comical or the keen perception and cleverly apt expression of connections between ideas that awaken amusement and pleasure. (From Random House Unabridged Dictionary, 2d ed)
A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
The palm family of order Arecales, subclass Arecidae, class Liliopsida.
The gaseous envelope surrounding a planet or similar body. (From Random House Unabridged Dictionary, 2d ed)
A free radical gas produced endogenously by a variety of mammalian cells, synthesized from ARGININE by NITRIC OXIDE SYNTHASE. Nitric oxide is one of the ENDOTHELIUM-DEPENDENT RELAXING FACTORS released by the vascular endothelium and mediates VASODILATION. It also inhibits platelet aggregation, induces disaggregation of aggregated platelets, and inhibits platelet adhesion to the vascular endothelium. Nitric oxide activates cytosolic GUANYLATE CYCLASE and thus elevates intracellular levels of CYCLIC GMP.
Compounds with a core of fused benzo-pyran rings.
A potassium-channel opening vasodilator that has been investigated in the management of hypertension. It has also been tried in patients with asthma. (Martindale, The Extra Pharmacopoeia, 30th ed, p352)
A group of organic sulfur-containing nitrites, alkyl thionitrites. S-Nitrosothiols include compounds such as S-NITROSO-N-ACETYLPENICILLAMINE and S-NITROSOGLUTATHIONE.
Conversion into nitroso compounds. An example is the reaction of nitrites with amino compounds to form carcinogenic N-nitrosamines.
Organic compounds containing both the hydroxyl and carboxyl radicals.
Samarium. An element of the rare earth family of metals. It has the atomic symbol Sm, atomic number 62, and atomic weight 150.36. The oxide is used in the control rods of some nuclear reactors.
Enzymes that catalyze a reverse aldol condensation. A molecule containing a hydroxyl group and a carbonyl group is cleaved at a C-C bond to produce two smaller molecules (ALDEHYDES or KETONES). EC 4.1.2.
Conditions which affect the structure or function of the pupil of the eye, including disorders of innervation to the pupillary constrictor or dilator muscles, and disorders of pupillary reflexes.
Hydrogen cyanide (HCN); A toxic liquid or colorless gas. It is found in the smoke of various tobacco products and released by combustion of nitrogen-containing organic materials.
A plant genus of the family EUPHORBIACEAE that is perennial with conspicuous, almost palmate leaves like those of RICINUS but more deeply parted into five to nine lobes. It is a source of a starch after removal of the cyanogenic glucosides. The common name of Arrowroot is also used with Maranta (MARANTACEAE). The common name of yuca is also used for YUCCA.
A plant genus of the family EUPHORBIACEAE, order Euphorbiales, subclass Rosidae. Commercial natural RUBBER is mainly obtained from Hevea brasiliensis but also from some other plants.
Silver. An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA.
A family of nonmetallic, generally electronegative, elements that form group 17 (formerly group VIIa) of the periodic table.
That portion of the electromagnetic spectrum in the visible, ultraviolet, and infrared range.
A silver salt with powerful germicidal activity. It has been used topically to prevent OPHTHALMIA NEONATORUM.
Specialized cells that detect and transduce light. They are classified into two types based on their light reception structure, the ciliary photoreceptors and the rhabdomeric photoreceptors with MICROVILLI. Ciliary photoreceptor cells use OPSINS that activate a PHOSPHODIESTERASE phosphodiesterase cascade. Rhabdomeric photoreceptor cells use opsins that activate a PHOSPHOLIPASE C cascade.
A stack of flattened vesicles that functions in posttranslational processing and sorting of proteins, receiving them from the rough ENDOPLASMIC RETICULUM and directing them to secretory vesicles, LYSOSOMES, or the CELL MEMBRANE. The movement of proteins takes place by transfer vesicles that bud off from the rough endoplasmic reticulum or Golgi apparatus and fuse with the Golgi, lysosomes or cell membrane. (From Glick, Glossary of Biochemistry and Molecular Biology, 1990)
Materials used in the production of dental bases, restorations, impressions, prostheses, etc.
Saturated azacyclopropane compounds. They include compounds with substitutions on CARBON or NITROGEN atoms.
The testing of materials and devices, especially those used for PROSTHESES AND IMPLANTS; SUTURES; TISSUE ADHESIVES; etc., for hardness, strength, durability, safety, efficacy, and biocompatibility.
Substances used in biomedicine or dentistry predominantly for their physical, as opposed to chemical, properties.
An alloy used in restorative dentistry that contains mercury, silver, tin, copper, and possibly zinc.
Chemical reaction in which monomeric components are combined to form POLYMERS (e.g., POLYMETHYLMETHACRYLATE).
Agents used to occlude dental enamel pits and fissures in the prevention of dental caries.

New efficient sulfurizing reagents for the preparation of oligodeoxyribonucleotide phosphorothioate analogues. (1/1)

A set of new sulfurizing agents representing disulfides of arylsulfonic acids has been developed for the automated synthesis of phosphorothioate oligonucleotide analogues via the phosphoramidite method. These reagents, such as bis(benzenesulfonyl)disulfide, bis(p-toluenesulfonyl)disulfide, bis(p-methoxybenzensulfonyl)disulfide, and bis (p-chlorobenzenesulfonyl) disulfide, are easily prepared crystalline solid compounds. They are relatively inexpensive, easy to handle, and efficiently convert internucleotide cyanoethyl phosphite to the phosphorothioate triester within 1-2 min. The efficiency of phosphorothioate oligonucleotide synthesis with the use of these reagents is comparable to that of phosphodiester oligonucleotides.  (+info)

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During the allergic reaction mucosal T cells are activated and a local increase in numbers occurs. In peripheral blood, a concomitant T cell activation and switch towards memory phenotype appears. E-selectin, intercellular adhesion molecule (ICAM)-1 and vascular cell adhesion molecule (VCAM)-1 were studied in nasal mucosal biopsies taken during a time-course provocation study, including patients with seasonal allergic rhinitis and healthy controls. Allergic patients were also studied during the natural pollen season with particular attention to the influence of local corticosteroid treatment. Before provocation allergic patients and controls did not differ concerning the expression of endothelial adhesion molecules. However, the epithelial ICAM-1 expression was increased among allergics (P , 0.05). Repetitive allergen provocation induces an increased endothelial expression of VCAM-1 in allergic patients (P , 0.01). Similarly, VCAM-1 expression was increased during the natural pollen season (P , ...
... to sulfonic acid groups is from 0.5:1 to 50:1 and the equivalent ratio of the sum of hydroxyl groups in (A) to NCO groups is ... urethano-aryl-sulfonic acid group, comprising: reacting at from 0.degree. to 190.degree. C.(A) compounds having a molecular ... at least one urethano-aryl-sulfonic acid group and a method for their preparation. The process is characterized as a process ... weight of from 62 to 10,000 having at least two hydroxyl groups; with(B) aromatic isocyanato sulfonic acids, wherein the ...
Acid properties of organosiliceous hybrid materials based on pendant (fluoro)aryl-sulfonic groups through a spectroscopic study ... Acid properties of organosiliceous hybrid materials based on pendant (fluoro)aryl-sulfonic groups through a spectroscopic study ... Preliminary results indicated superior performances for the fluoro-aryl-sulfonic acid, compared to the non-fluorinated sample. ... The findings hereby reported open new avenues for the design of heterogeneous sulfonic acids with superior reactivity in acid- ...
Aryl sulfonic acids are used as detergents, dye, and drugs. Typical conditions involve heating the aromatic compound with ... As a functional group, aryl sulfonic acids undergo desulfonation when heated in water: RC6H4SO3H + H2O → RC6H5 + H2SO4 When ... Aromatic sulfonic acids are intermediates in the preparation of dyes and many pharmaceuticals. Sulfonation of anilines lead to ... Aromatic sulfonation is an organic reaction in which a hydrogen atom on an arene is replaced by a sulfonic acid functional ...
Reactions of aryl sulfonic acidsEdit. As a functional group, aryl sulfonic acids undergo desulfonation when heated in water: RC ... Aryl sulfonic acids are used as detergents, dye, and drugs. ... Synthesis of sulfanilic acid from aniline and sulfuric acid.[7] ... Chlorosulfuric acid is also an effective agent: C6H6 + HSO3Cl → C6H5SO3H + HCl. In contrast to aromatic nitration and most ... Typical conditions involve heating the aromatic compound with sulfuric acid:[2]. C6H6 + H2SO4 → C6H5SO3H + H2O. Sulfur trioxide ...
This page contains information on the chemical p-Toluenesulfonic acid including: 65 synonyms/identifiers; U.S. Code of Federal ... ar-Toluenesulfonic acid (8CI) *Aryl sulfonic acid etc*Benzenesulfonic acid, 4-methyl-*Benzenesulfonic acid, 4-methyl-, ion(1-) ... Toluene-4-sulphonic acid*Toluene-p-sulfonate*Toluenesulfonic acid*Toluenesulfonic acid (VAN) *Toluenesulphonic acid*Tosic acid* ... Toluene sulfonic acid*Toluene sulfonic acid, liquid, with not more than 5% free Sulfuric acid*Toluene sulfonic acid, solid, ...
substituted arylsulfonic acids and their salts, esters and amides substituted sulfamates substituted styrenes ... O-(methylethylaminosulfonyl)-glycolic acid-N,N-diallylamide. 12. O-(diethylaminosulfonyl)-glycolic acid-N,N-diallylamide. 13. O ... substituted dithiophosphoric acids and their salts, esters and amides substituted fluoroenecarboxylic acids and their salts, ... 7. O-(n-butylaminosulfonyl)-glycolic acid-N,N-diallylamide. 8. O-(sec-butylaminosulfonyl)-glycolic acid-N,N-diallylamide. 9. O ...
... of lower alkyl esters of N-benzoyl-N-chlorophenyl-2-amino-lower alkanoic acids and 3-lower alkyl-2,1,3-benzothiadiazinone-(4)-2 ... substituted arylsulfonic acids and their salts, esters and amides substituted styrenes substituted tetrahydrooxadiazine diones ... substituted aliphatic carboxylic acids and their salts, esters and amides substituted aromatic carboxylic acids and their salts ... 2,4-dichlorophenoxyacetic acid, dimethylamine salt, 0.25 and 1.5 kg/ha; Xiv. 2-methyl-4-chlorophenoxyacetic acid, dimethylamine ...
Shop a large selection of Organic sulfonic acids and derivatives products and learn more about Alfa Aesar Benzenesulfonic acid ... DOTInformation : Transport Hazard Class: 8; Packing Group: III; Proper Shipping Name: ARYL SULFONIC ACIDS, SOLID ... benzenesulphonic acid,phenylsulfonic acid,besylic acid,benzene sulphonic acid,benzenemonosulfonic acid,benzene sulfonic acid, ... benzenesulphonic acid,phenylsulfonic acid,besylic acid,benzene sulphonic acid,benzenemonosulfonic acid,benzene sulfonic acid, ...
It is the neutral sodium salt of a condensed arylsulfonic acid. This product is commonly used as dispersant or wetting agent ... It is the neutral sodium salt of a condensed arylsulfonic acid. This product is commonly used as dispersant or wetting agent ...
... dispersants produced by condensation of various alkylarylsulfonic acids with a halogen arylsulfonic acid; and (c) dispersants ... Copolymers with maleic acid, acrylic acid-maleic acid, maleic acid-methylvinyl ether and diisobutylene-maleic acid (DIBMA) are ... succinic acid peroxide, dicetyl peroxydicarbonate, t-butyl peroxyacetate, t-butyl peroxymaleic acid, t-butyl peroxybenzoate, ... For instance, methacrylic acid can be polymerized to yield water-soluble homopolymer which can be employed as a carboxylate ...
Dinonylnaphthylsulfonic acid (DINNSA) is an organic chemical, an aryl sulfonic acid. Its melting point is 259.5 °C and its ... Dinonylnaphthylsulfonic acid (DINNSA) is an organic chemical, an aryl sulfonic acid. Its melting point is 259.5 °C and its ... Dinonylnaphthylsulfonic acid is used as an additive in industrial lubricants, greases, cutting fluids, industrial coatings, and ... Dinonylnaphthylsulfonic acid is used as an additive in industrial lubricants, greases, cutting fluids, industrial coatings, and ...
Aryl sulfonic acids and derivatives as FSH antagonists US6200963B1 (en) * 1999-03-31. 2001-03-13. American Home Products ... Aryl sulfonic acids as FSH antagonists WO2000058276A1 (en) 1999-03-31. 2000-10-05. American Home Products Corporation. 7-amino- ... Aryl sulfonic acids and derivatives as fsh antagonists US6511980B2 (en) * 2000-05-05. 2003-01-28. Ortho Mcneil Pharmaceutical, ... C07C237/02-Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the ...
... settling the hydrolysis medium and polymer into an acid layer and an organic layer containing the polymer, separating the ... organic layer from the acid layer, contacting the organic layer with a neutralizing agent, and removing the neutrailizing agent ... to an improved method of hydrolyzing hydridosilanes with 2 or more hydrolyzable groups which comprises forming an arylsulfonic ... acid hydrate containing reaction medium, adding the silane to the hydrolysis medium, facilitating hydrolysis of the silane to ...
The pesticidal properties of a large number of different sulfonic acids, their salts, esters, amides, and other derivatives ... The alkyl- and arylsulfonic acids have herbicidal properties, but they are not strong enough to be of practical importance. ... Sulfonic Acid Methanesulfonic Acid Sulfuryl Chloride Benzenesulfonyl Chloride Aromatic Sulfonic Acid These keywords were added ... The free sulfonic acids and their salts with metals and nitrogenous bases do not show contact insecticidal and acaricidal ...
... a sulfonic acid, a sulfonic ester, an alkylsulfonic acid, an arylsulfonic acid, an arylalkoxy, an alkylthio, an arylthio, a ... an O2N-O-amino acid, O2N-N-amino acid, O2N-S-amino acid, an O2N-C-amino acid, an O2N-O-sugar, an O2N-N-sugar, O2N-S-sugar, an O ... a sulfonic acid, a sulfonic ester, an alkylsulfonic acid, an arylsulfonic acid, an arylalkoxy, an alkylthio, an arylthio, a ... a sulfonic acid, a sulfonic ester, an alkylsulfonic acid, an arylsulfonic acid, an arylalkoxy, an alkylthio, an arylthio, a ...
Looking for SPECTRUM Amino 1 Naphthol Sulfonic Acid,500g (26WJ35)? Graingers got your back. Price:$37.00. Easy ordering & ... Shipping Restrictions UN2585, Aryl Sulfonic Acid, Solid (6-Amino-1-Naphthol-3-Sulfonic Acid), 8, PG III ...
According to the above processes, an .alpha.-cyanohydrin ester and an .alpha.-hydroxy acid can be obtained in high yields. ... acid or a salt thereof can be obtained. ... arylsulfonic acids such as benzenesulfonic acid and p- ... e.g., glycolic acid, lactic acid, malic acid, tartaric acid, citric acid), thiocyanic acid, sulfonic acids (e.g., ... monocarboxylic acids such as formic acid, acetic acid, trichloroacetic acid, trifluoroacetic acid, propionic acid, butyric acid ...
Aryl sulfonic acid catalyzed hydrolysis of cellulose in water. Appl Catal A Gen 417-418:259-262. doi:10.1016/j.apcata.2011.12. ... The most simple sulfonic acid, sulfuric acid, has long been used to degrade cellulose for industrial purposes, with recent ... Bile acids stimulate biofilm formation in Vibrio cholerae. Mol Microbiol 59:193-201. doi:10.1111/j.1365-2958.2005.04846.x. ... Carbohydrate analysis by a phenol-sulfuric acid method in microplate format. Anal Biochem 339:69-72. doi:10.1016/j.ab.2004.12. ...
Various surfactants such as alkylsulfonic acids, arylsulfonic acids, aliphatic carboxylic acids and aromatic carboxylic acids ... A-17: β-alaninediacetic acid. The amount of the above-mentioned ferric complex salt of organic acid added preferably falls in ... tic acid Maleic acid 0.67 g Laurylsarcosine sodium 0.12 gB Ammonium thiosulfate 2.22 g 3.45 g/20 mm 49.6 Sodium sulfite 1.01 g ... 1-diphosphonic acid 5.0 gEthylenediaminetetraacetic acid 1.0 gTinopal SFP (produced by Ciba-Geigy) 2.0 gAmmonium sulfate 2.5 ...
The dental material according to claim 9, wherein said aryl sulfonic acid ester is an electronegatively substituted aryl ... preferably arylsulphonic acid esters according to DE-B-1 544 837, particularly, 2,5-dichlorobenzene sulphonic acid methyl ... Polymerization of acrylic acid esters. US4093555 *. 4 Ene 1977. 6 Jun 1978. Espe Fabrik Pharmazeutischer Praparate Gmbh. ... 2,5-dichlorobenzene sulphonic acid methyl ester and 0.1 wt. % 3,5-di-t-butyl-4-hydroxytoluene were dissolved in 8.8 wt. % ...
Anionic dispersants suitable for use in this invention include lignosulfonic acid salts; arylsulfonic acid-formaidehyde ... hydroxycarboxylic acids, e.g., citric acid, tartaric acid; borate esters of hydroxycarboxylic acids and their salts, e.g., ... The pH may be adjusted by addition of acid or base and the common mineral acids and organic acids and alkali metal hydroxides ... methylenephosphonic acid) and polyphosphates. The aminocarboxylic acids - especially EDTA - and polyphosphonic acids are ...
... arylsulfonic acid, potassium and sodium salts. IUPAC names 1 ...
Stone floor surfaces, such as, marble and terrazzo, are treated with an acid conditioner followed by buffing with a ... for example alkyl aryl sulfonic acids including dodecyl benzene sulfonic acids sold under the following trademarks: CONOCO C- ... 2. The acid conditioning composition of claim 1 wherein the acid is oxalic acid, citric acid, tartaric acid, a mineral acid or ... Suitable acids for use in the acid conditioning composition include oxalic acid, citric acid, tartaric acid, hydrochloric acid ...
Suitable wetting agents include the sodium salt of polymerized alkyl aryl sulfonic acid, potassium oleate, alkyl aryl polyether ... Such materials as natural and synthetic drying oils, mixtures of polyhydric alcohols and polybasic acids which cure to form ... Suitable sequestering agents include tetrasodium pyrophosphate and the tetrasodium salt of ethylenediamine tetra-acetic acid. ... maleic and fumaric acid and their derivatives such as diethyl maleate, dibutyl fumarate and the like; unsaturated hydrocarbon ...
Arylsulfonic acid or derivatives / Benzenoid / Sulfonyl / Organosulfonic acid. Molecular Framework. Aromatic homopolycyclic ... Monocarboxylic acids and derivatives / Carboxylic acids / Organic oxides / Hydrocarbon derivatives / Carbonyl compounds. ... Hydrophenanthrenes / Tetralins / 1-sulfo,2-unsubstituted aromatic compounds / Sulfonyls / Organosulfonic acids / ... Pepsin, acid and Helicobacter pylori are major factors in the pathophysiology of peptic ulcer disease and reflux oesophagitis. ...
"Aryl sulfonic acids, solid, with more than 5% free sulfuric acid." ... Toluene sulfonic acid; 4-Methylbenzenesulfonic acid; 4-Toluenesulfonic acid; Benzenesulfonic acid, 4-methyl-; Benzenesulfonic ... Toluene sulfonic acid; 4-Methylbenzenesulfonic acid; 4-Toluenesulfonic acid; Benzenesulfonic acid, 4-methyl-; Benzenesulfonic ... p-Methylphenylsulfonic acid; p-Toluene sulfonate; p-Toluolenesulfonic acid; p-Tolylsulfonic acid; Toluene-4-sulphonic acid; ar- ...
The Guide in the Emergency Response Guidebook is for "Aryl sulfonic acids, liquid, with not more than 5% free Sulfuric acid." ... The Guide in the Emergency Response Guidebook is for "Aryl sulfonic acids, liquid, with not more than 5% free Sulfuric acid." ... 4-Ethenylbenzenesulfonic acid homopolymer; Polystyrene sulfonate; Tolevamer; Benzenesulfonic acid, 4-ethenyl-, homopolymer; [ ... 4-Ethenylbenzenesulfonic acid homopolymer; Polystyrene sulfonate; Tolevamer; Benzenesulfonic acid, 4-ethenyl-, homopolymer; [ ...
The thick opaque ceramic coating is unique because it is resistant to etching using wet chemicals, i.e., acids such as H3 PO4 ... teaches an alternative method comprising hydrolyzing hydridosilanes in an arylsulfonic acid hydrate hydrolysis medium to form a ... and adjusting the pH to 3-6 with an organic acid such as acetic acid. Trisilanols are generated in situ by adding the ... The thick opaque ceramic coating is unique because it is resistant to etching using wet chemicals, i.e., acids such as H3 PO4 ...
... alkyl sulfonic esters and alkyl arylsulfonic acids.. The intermediate foam layer of the present invention is preferably a ... glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, brassylic acid, thapsic acid, maleic acid, ... fumaric acid, glutaconic acid, alpha-hydromuconic acid, beta-hydromuconic acid, alpha-butyl-alpha-ethyl glutaric acid, alpha, ... beta-diethylsuccinic acid, isophthalic acid, terephthalic acid, hemimellic acid, and 1,4-cyclohexane-dicarboxylic acid. Any ...
In addition, as the photoacid generator, arylsulfonium salt, aryliodonium salt, o-nitrobenzyltosylate, arylsulfonic acid-p- ...

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